Re: [PATCH 00/10 v3] Coresight framework and drivers

From: Thomas Petazzoni
Date: Fri Aug 08 2014 - 10:39:15 EST


Mathieu,

On Thu, 7 Aug 2014 12:21:36 -0600, mathieu.poirier@xxxxxxxxxx wrote:

> arch/arm/Kconfig.debug | 36 +-
> arch/arm/boot/dts/omap3-beagle-xm.dts | 28 +
> arch/arm/boot/dts/omap3-beagle.dts | 28 +
> arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts | 199 ++++
> arch/arm/include/asm/hardware/coresight.h | 157 ---
> arch/arm/include/asm/hardware/cp14.h | 540 ++++++++++
> arch/arm/kernel/Makefile | 1 -
> arch/arm/kernel/etm.c | 654 ------------
> arch/arm/kernel/hw_breakpoint.c | 4 +-
> arch/arm/mach-omap2/Kconfig | 8 -
> arch/arm/mach-omap2/Makefile | 1 -
> arch/arm/mach-omap2/emu.c | 50 -
> drivers/Makefile | 1 +
> drivers/amba/bus.c | 2 +-
> drivers/coresight/Makefile | 9 +
> drivers/coresight/coresight-etb10.c | 529 ++++++++++
> drivers/coresight/coresight-etm-cp14.c | 506 ++++++++++
> drivers/coresight/coresight-etm.h | 192 ++++
> drivers/coresight/coresight-etm3x.c | 1516 ++++++++++++++++++++++++++++
> drivers/coresight/coresight-funnel.c | 251 +++++
> drivers/coresight/coresight-priv.h | 63 ++
> drivers/coresight/coresight-replicator.c | 153 +++
> drivers/coresight/coresight-tmc.c | 740 ++++++++++++++
> drivers/coresight/coresight-tpiu.c | 212 ++++
> drivers/coresight/coresight.c | 638 ++++++++++++
> drivers/coresight/of_coresight.c | 202 ++++
> include/linux/amba/bus.h | 1 +
> include/linux/coresight.h | 200 ++++

So a brand new framework gets added, and there's nothing added in
Documentation/ ? It'd be nice to have a short documentation that
explains what the framework is defined for, how driver should be
written for it, what is its kernel-space or user-space interface, etc.

Thanks,

Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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